new command modifier "shebang"

Author: skywind3000

autoload/asyncrun/program/shebang.vim

@@ -0,0 +1,42 @@
+"======================================================================
+"
+" shebang.vim - 
+"
+" Created by skywind on 2022/01/12
+" Last Modified: 2022/01/12 22:30:25
+"
+"======================================================================
+
+function! asyncrun#program#shebang#translate(opts)
+	let cmd = asyncrun#utils#strip(a:opts.cmd)
+	if cmd == ''
+		return 'echo empty command'
+	endif
+	if cmd =~ '^".*"$'
+		let cmd = asyncrun#utils#strip(strpart(cmd, 1, len(cmd) - 2))
+	endif
+	if cmd =~ '^\''.*\''$'
+		let cmd = asyncrun#utils#strip(strpart(cmd, 1, len(cmd) - 2))
+	endif
+	if filereadable(cmd) == 0
+		return 'echo file not find: ' . cmd
+	endif
+	let textlist = readfile(cmd, '', 20)
+	let shebang = ''
+	for text in textlist
+		let text = asyncrun#utils#strip(text)
+		if text =~ '^#'
+			let text = asyncrun#utils#strip(strpart(text, 1))
+			if text =~ '^!'
+				let shebang = asyncrun#utils#strip(strpart(text, 1))
+				break
+			endif
+		endif
+	endfor
+	if shebang == ''
+		return 'echo shebang not find in: ' . cmd
+	endif
+	return shebang . ' "' . cmd . '"'
+endfunc
+
+

autoload/asyncrun/utils.vim

@@ -22,6 +22,23 @@ function! asyncrun#utils#errmsg(msg)
 endfunc
 
 
+"----------------------------------------------------------------------
+" strip string
+"----------------------------------------------------------------------
+function! asyncrun#utils#strip(text)
+	return substitute(a:text, '^\s*\(.\{-}\)\s*$', '\1', '')
+endfunc
+
+
+"----------------------------------------------------------------------
+" Replace string
+"----------------------------------------------------------------------
+function! asyncrun#utils#replace(text, old, new)
+	let l:data = split(a:text, a:old, 1)
+	return join(l:data, a:new)
+endfunc
+
+
 "----------------------------------------------------------------------
 " display require message
 "----------------------------------------------------------------------